CN102173630B - High-performance chlorine-free alkali-free liquid accelerating agent - Google Patents
High-performance chlorine-free alkali-free liquid accelerating agent Download PDFInfo
- Publication number
- CN102173630B CN102173630B CN 201110000465 CN201110000465A CN102173630B CN 102173630 B CN102173630 B CN 102173630B CN 201110000465 CN201110000465 CN 201110000465 CN 201110000465 A CN201110000465 A CN 201110000465A CN 102173630 B CN102173630 B CN 102173630B
- Authority
- CN
- China
- Prior art keywords
- free
- chlorine
- stirring
- alkali
- accelerating chemicals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001412 amines Chemical class 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims description 37
- 229910001051 Magnalium Inorganic materials 0.000 claims description 29
- 229910052731 fluorine Inorganic materials 0.000 claims description 20
- 239000011737 fluorine Substances 0.000 claims description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 7
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical group NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002686 phosphate fertilizer Substances 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 159000000013 aluminium salts Chemical class 0.000 claims description 5
- 229910000329 aluminium sulfate Inorganic materials 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 159000000003 magnesium salts Chemical class 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 3
- 241000282414 Homo sapiens Species 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- ZHWKJMGWTPJJRZ-UHFFFAOYSA-I magnesium pentafluoroaluminum(2-) Chemical compound [F-].[F-].[F-].[F-].[F-].[Mg++].[Al+3] ZHWKJMGWTPJJRZ-UHFFFAOYSA-I 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 230000009972 noncorrosive effect Effects 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 19
- 239000004568 cement Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 239000011378 shotcrete Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 150000002221 fluorine Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 1
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000405 sodium aluminium phosphate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a high-performance chlorine-free alkali-free liquid accelerating agent which is prepared from the following materials by weight percent: 6 to 15 percent of magnesium aluminum fluoride, 20 to 50 percent of aluminum sulfate, 2 to 6 percent of organic amines, 0 to 2 percent of stabilizer, and the balance of water. The production process comprises the following steps of: adding water at the given weight percent to a stirring drum, adding magnesium aluminum fluoride and stirring to dissolve, adding organic amines and stirring to dissolve, adding aluminum sulfate and stirring to dissolve, and making the final product. The high-performance chlorine-free alkali-free liquid accelerating agent is free of chlorine and alkali and non-corrosive to human beings and steel-bar-made machines, and has the advantages of long holding period, low addition amount, quick setting action, low rebound rate, high one-day strength, substantially no loss of long-term strength and good material compatibility. The production process is simple, pollution-free and noise-free, does not produce gas discharge or waste water, and is safe and environment-friendly. The materials are abundant, the production cost is low, and the social and economic benefits are extremely good.
Description
Technical field
The present invention relates to a kind of Hardenfast, relate in particular to the liquid accelerating chemicals of a kind of chlorine-free alkali-free, belong to building material technical field.
Background technology
Accelerating chemicals is a kind of chemical admixture that makes the cement rapid coagulation, can make cement setting and harden in a short period of time, and it is mainly used in sprayed concrete and sprays in the mortar engineering.Sprayed concrete has lot of superiority in construction and rock support, become extremely important and necessary measure in the modern underground works, the use range of sprayed concrete in underground works expanded in the particularly development of wet-mix shotcrete technology greatly.Its significant feature of liquid accelerator for sprayed concrete is to accelerate condensing of concrete mix, improves early strength, can increase jetting thickness and shortening like this and spray the time of one deck down.Along with Economic development and technical progress, the application of accelerating chemicals also more and more widely, as mine, tunnel, leak stopping, down-hole engineering etc.At present, traditional alkaline accelerating chemicals uses and still occupies main status in construction of shotcrete, in this alkaline accelerating chemicals owing to contain a large amount of alkaline matters, make that concrete later strength loss is big, strength retention ratio had only about 60% in 28 days, alkaline matter reaches certain proportion also can cause alkali-aggregate reaction, makes the concrete destruction expansion, the forfeiture weather resistance; Not only contain alkaline matter in traditional alkaline accelerating chemicals, also contain a large amount of Cl
-, reinforcing bar is had extremely strong corrodibility.This alkaline accelerating chemicals is when influencing concrete performance, in production and construction process, can corrode facility, therefore accelerating chemicals can splash on one's body working-yard and the workmen inevitably in the construction process, also pollutes the environment and damages the healthy of workmen.
Alkali-free, the liquid rapid hardening dosage of no chlorine are the developing direction of accelerating chemicals, also are the inexorable trends that engineering is used.Having some to call oneself now is the product of alkali-free quick-coagulant, basically be the way that adopts acid-base neutralisation, pH value at the highly basic product more than 13, is neutralized to pH value 7 left and right sides gained with acid, one day intensity of this accelerating chemicals and 28 days intensity are low, and have extremely strong corrodibility equally.Also have some to adopt the product that is called alkali-free quick-coagulant of composite method preparation such as aluminium salt, sodium salt and lithium salts, mainly there is following defective in this accelerating chemicals: 1, the material intermiscibility is poor; 2, quality guaranteed period weak point will lump in general 3-5 days; 3, volume is big, often will mix to 10%; 4, production cost height, per ton reaching about 5000 yuan.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the above defective, and a kind of no chlorine, alkali-free are provided, production technique is simple, production cost is low, long quality-guarantee period, and volume is low, rebound degree is low, one day intensity height, and the high-performance that later strength is not lost does not substantially have chlorine, the liquid accelerating chemicals of alkali-free.
In order to solve the above technical problem, the liquid accelerating chemicals of a kind of high-performance chlorine-free alkali-free of the present invention comprises following component and is prepared from according to weight percent:
Fluoridize magnalium: 6-15%, wherein Mg content is no less than 8%, and aluminium content is no less than 2%, and fluorine content is no less than 50%, and moisture is not more than 1%; Tai-Ace S 150: 20-50%; Organic amine: 2-6%; Stablizer: 0-2%; Surplus is water;
Preparation technology is as follows:
The first step, magnalium is fluoridized in preparation: adopt the fluorine waste gas that can not efflux that produces in phosphate fertilizer plant's production process, obtain fluorine waste water and it is carried out purifying treatment by washing and recycling, fluorine waste water after the purifying treatment mixed with magnesium salts and aluminium salt carry out neutralization reaction and get preliminary product, this preliminary product is filtered, after evaporation concentration, cooling, dehydration and the drying, packed to such an extent that fluoridize the magnalium finished product; In second step, the liquid accelerating chemicals of preparation chlorine-free alkali-free: water is added in the agitation vat by weight percentage, and what add that the first step prepares fluoridizes the magnalium stirring and dissolving, adds the organic amine stirring and dissolving, adds the Tai-Ace S 150 stirring and dissolving, gets product.
As preferably, the content of aluminum oxide is 15.6-17% in the Tai-Ace S 150 of the present invention, and moisture is not more than 4%; Described organic amine is Monoethanolamine MEA BASF or diethanolamine; Described stablizer is phosphoric acid.
The main raw material of high-performance chlorine-free alkali-free liquid accelerator of the present invention is for fluoridizing magnalium, Tai-Ace S 150 and organic amine, phosphoric acid is stablizer, wherein Tai-Ace S 150 is main rapid hardening component with fluoridizing magnalium, Tai-Ace S 150 can significantly shorten the presetting period of cement, fluoridize the final setting time that magnalium then significantly shortens cement, fluoridize magnalium simultaneously and also can promote the formation of hydrate structure, improve the cohesive force of concrete shearing resistance and reinforcing bar; Organic amine has shortened cement setting time to a certain extent and has significantly improved the 1d ultimate compression strength of mortar.The production stage of the liquid accelerating chemicals of high-performance chlorine-free alkali-free of the present invention is: water is added in the agitation vat by weight percentage → add and fluoridize magnalium stirring and dissolving → adding organic amine stirring and dissolving → adding Tai-Ace S 150 stirring and dissolving → finished product.The present invention will fluoridize magnalium, Tai-Ace S 150, organic amine and stablizer and mix, and stir under the normal temperature and be mixed with the certain density even matter aqueous solution, get product, and production technique is very simple.
Below be that main ingredient of the present invention requires:
Tai-Ace S 150: technical grade, the content of aluminum oxide are 15.6-17%, powder or bulk all can, block Tai-Ace S 150 is worn into the above powder of 80 orders, moisture≤4% with pulverizer.
Organic amine: Monoethanolamine MEA BASF or diethanolamine all can, generally adopt liquid, as re-using after then being dissolved in water in advance for solid.
Fluoridize magnalium: technical grade, crystallization or powder all can.One of main raw material(s) of the present invention---fluoridize magnalium, adopt the fluorine waste gas that can not efflux that produces in phosphate fertilizer plant's production process, obtain fluorine waste water and it is carried out purifying treatment by washing and recycling, fluorine waste water after the purifying treatment mixed with magnesium salts and aluminium salt carry out neutralization reaction and get preliminary product, to this preliminary product filter, after evaporation concentration, cooling, dehydration and the drying and other steps, pack finished product.White or little yellow crystal or powder.The employed magnalium of fluoridizing requires Mg content to be no less than 8% among the present invention, and aluminium content is no less than 2%, and fluorine content is no less than 50%, and moisture is not more than 1%.Utilize the fluorine waste gas of phosphate fertilizer plant to make raw material, both solved the environmental issue in the phophatic fertilizer production process, again this fluorine waste gas is re-used, whole process of production does not have waste gas, discharge of wastewater, does not produce secondary pollution, environmental protection.Fluoridize the magnalium technological process of production and see Fig. 1.
The liquid accelerating chemicals of high-performance chlorine-free alkali-free of the present invention detects according to the experiment condition of national JC477-2005 " sprayed concrete accelerating chemicals ", obtains following result:
Under the volume of 2-6%, namely can make cement initial set in 3 minutes, final set in 8 minutes, intensity was more than 12MPa in 1 day, intensity was not lost substantially in 28 days, and the liquid accelerating chemicals of high-performance chlorine-free alkali-free of the present invention is chloride ion-containing not, and alkalimetal ion is below 0.1%, reach the standard of alkali free metal ion, non-corrosiveness has no irritating odor, for the construction and the staff created good working environment.Product shelf life is long, does not lump under 5-40 ℃ temperature, does not have precipitation, has good preservation stability.
Beneficial effect of the present invention: owing to used the above technology, the liquid accelerating chemicals of high-performance chlorine-free alkali-free of the present invention has the following advantages: 1, select for use the inorganic salt and the organic materials that do not contain potassium sodium to prepare alkali-free liquid accelerator, alkali content is less than 0.1%, reach the requirement of alkali-free quick-coagulant, chloride ion-containing not, no chlorine, alkali-free do not corrode human body, and reinforcing bar main frame tool is not had corrosion; 2, volume is low, and it is fast to condense, and rebound degree is low, one day intensity height, and later strength is not lost substantially, and various cement are had adaptability well, and material compatibility is good; 3, production technique is simple, only needs add several compositions in succession that stirring and dissolving get final product in the agitation vat, and the present invention also can prepare use at the construction field (site), need not to pack, and simple and convenient, production process is pollution-free, noiseless, no efflux gas and waste water, safety and environmental protection; 4 materials are abundant, production cost is low, one of main raw material used in the present invention---fluoridize magnalium, utilize the fluorine waste gas production of phosphate fertilizer plant, starting material are very abundant, both solved the environmental issue in the phophatic fertilizer production process, again this fluorine waste gas is re-used, make production cost of the present invention reduce greatly, realize the low price less than 2000 yuan per ton, have fabulous social benefit and economic benefit; 5, long quality-guarantee period, but the liquid accelerating chemicals of high-performance chlorine-free alkali-free of the present invention does not lump the nothing precipitation 5-40 ℃ of prolonged preservation.
Description of drawings
Fig. 1 fluoridizes magnalium technological process of production figure for the present invention.
Embodiment
Be described in further detail below in conjunction with the present invention of embodiment.
The liquid accelerating chemicals of a kind of high-performance chlorine-free alkali-free of the present invention comprises following component and is prepared from according to weight percent:
Fluoridize magnalium: 6-15%, wherein Mg content is no less than 8%, and aluminium content is no less than 2%, and fluorine content is no less than 50%, and moisture is not more than 1%; Tai-Ace S 150: 20-50%; Organic amine: 2-6%; Stablizer: 0-2%; Surplus is water;
Preparation technology is as follows:
The first step, magnalium is fluoridized in preparation: adopt the fluorine waste gas that can not efflux that produces in phosphate fertilizer plant's production process, obtain fluorine waste water and it is carried out purifying treatment by washing and recycling, fluorine waste water after the purifying treatment mixed with magnesium salts and aluminium salt carry out neutralization reaction and get preliminary product, this preliminary product is filtered, after evaporation concentration, cooling, dehydration and the drying, packed to such an extent that fluoridize the magnalium finished product; In second step, the liquid accelerating chemicals of preparation chlorine-free alkali-free: water is added in the agitation vat by weight percentage, and what add that the first step prepares fluoridizes the magnalium stirring and dissolving, adds the organic amine stirring and dissolving, adds the Tai-Ace S 150 stirring and dissolving, gets product.
As preferably, the content of aluminum oxide is 15.6-17% in the Tai-Ace S 150 of the present invention, and moisture is no more than 4%; Described organic amine is Monoethanolamine MEA BASF or diethanolamine; Described stablizer is phosphoric acid.
Embodiment one: produce the liquid accelerating chemicals of high-performance chlorine-free alkali-free of 1000kg, need water 500kg, fluoridize magnalium 150kg, Tai-Ace S 150 300 kg, Monoethanolamine MEA BASF 50kg; Production stage: 500kg water is added in the agitation vat, add 150kg and fluoridize the magnalium stirring and dissolving, add the 50kg Monoethanolamine MEA BASF, add 300kg Tai-Ace S 150 while stirring, be stirred to dissolving, get product.
Embodiment two: produce the liquid accelerating chemicals of high-performance chlorine-free alkali-free of 500kg, need water 285kg, fluoridize magnalium 100kg, Tai-Ace S 150 100kg, diethanolamine 15kg; Production stage is with embodiment one.
Embodiment three: produce the liquid accelerating chemicals of high-performance chlorine-free alkali-free of 1000kg, need water 440kg, fluoridize magnalium 100kg, Tai-Ace S 150 400kg, diethanolamine 50kg, phosphatase 11 0kg; Production stage: 440kg water is added in the agitation vat, add 100kg and fluoridize the magnalium stirring and dissolving, add the 50kg diethanolamine, add 400kg Tai-Ace S 150 while stirring, be stirred to dissolving, add 10kg phosphoric acid again as stablizer, get product.
According to the requirement of national JC477-2005 " sprayed concrete accelerating chemicals " industry standard, carry out cement paste test time of coagulation:
Lafarge po42.5 cement: 400g,
Water: 160g
The mortar strength test:
Lafarge cement: 900g,
Standard sand: 1350g,
Water: 450g
Accelerating chemicals has also carried out strength trial to the blank mortar that does not add accelerating chemicals according to 6% admixture of cement weight in the strength test, is mixed with mortar and its 28 days strength ratios in order to test, and the result is as follows:
As can be seen from the above table, high-performance chlorine-free alkali-free liquid accelerator of the present invention is under 6% volume, can make satisfy the presetting period less than 5 minutes the time of coagulation of cement paste, final setting time was less than 10 minutes industry standard requirement, one day mortar strength is reached more than 12 Mpa, 6 Mpa in the industry standard.
Embodiment three prepared high-performance chlorine-free alkali-free liquid accelerators of the present invention are carried out time of coagulation and mortar strength experiment according to JC477-2005 " sprayed concrete accelerating chemicals " for dissimilar and cement brand, and test-results is as follows:
As can be seen from the above table, high-performance chlorine-free alkali-free liquid accelerator of the present invention can make different brands and dissimilar cement satisfy to spray under lower volume and use the Concrete Construction requirement, has good cement adaptability.
Below only be part embodiment of the present invention; as long as read description of the present invention; in the scope of each component of the present invention and weight percent, prepare; all can prepare high-performance chlorine-free alkali-free liquid accelerator; as long as used the above technology contents, all should fall into protection scope of the present invention.
Claims (4)
1. the liquid accelerating chemicals of a high-performance chlorine-free alkali-free is characterized in that described accelerating chemicals comprises following component and is prepared from according to weight percent:
Fluoridize magnalium: 6-15%, wherein Mg content is no less than 8%, and aluminium content is no less than 2%, and fluorine content is no less than 50%, and moisture is not more than 1%; Tai-Ace S 150: 20-50%; Organic amine: 2-6%; Stablizer: 0-2%; Surplus is water;
Preparation technology is as follows:
The first step, magnalium is fluoridized in preparation: adopt the fluorine waste gas that can not efflux that produces in phosphate fertilizer plant's production process, obtain fluorine waste water and it is carried out purifying treatment by washing and recycling, fluorine waste water after the purifying treatment mixed with magnesium salts and aluminium salt carry out neutralization reaction and get preliminary product, this preliminary product is filtered, after evaporation concentration, cooling, dehydration and the drying, packed to such an extent that fluoridize the magnalium finished product;
In second step, the liquid accelerating chemicals of preparation chlorine-free alkali-free: water is added in the agitation vat by weight percentage, and what add that the first step prepares fluoridizes the magnalium stirring and dissolving, adds the organic amine stirring and dissolving, adds the Tai-Ace S 150 stirring and dissolving, gets product.
2. according to the liquid accelerating chemicals of the described a kind of high-performance chlorine-free alkali-free of claim 1, it is characterized in that the content of aluminum oxide is 15.6-17% in the described Tai-Ace S 150, moisture is no more than 4%.
3. according to the liquid accelerating chemicals of the described a kind of high-performance chlorine-free alkali-free of claim 1, it is characterized in that described organic amine is Monoethanolamine MEA BASF or diethanolamine.
4. according to the liquid accelerating chemicals of the described a kind of high-performance chlorine-free alkali-free of claim 1, it is characterized in that described stablizer is phosphoric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000465 CN102173630B (en) | 2011-01-04 | 2011-01-04 | High-performance chlorine-free alkali-free liquid accelerating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000465 CN102173630B (en) | 2011-01-04 | 2011-01-04 | High-performance chlorine-free alkali-free liquid accelerating agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102173630A CN102173630A (en) | 2011-09-07 |
| CN102173630B true CN102173630B (en) | 2013-10-02 |
Family
ID=44516928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110000465 Active CN102173630B (en) | 2011-01-04 | 2011-01-04 | High-performance chlorine-free alkali-free liquid accelerating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102173630B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200497A (en) * | 2017-06-28 | 2017-09-26 | 常州文诺纺织品有限公司 | A kind of chlorine-free alkali-free liquid accelerating agent and preparation method thereof |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424541A (en) * | 2011-09-08 | 2012-04-25 | 山西凯迪建材有限公司 | Concrete accelerator and preparation method thereof |
| CN102923988A (en) * | 2012-11-29 | 2013-02-13 | 北京冶建特种材料有限公司 | Liquid alkali-free chloride-free accelerating agent as well as methods for preparing and using same |
| CN104108894A (en) * | 2014-06-12 | 2014-10-22 | 长安大学 | An alkali-free chloride-free liquid accelerator |
| CN105417981A (en) * | 2015-12-11 | 2016-03-23 | 安徽中铁工程材料科技有限公司 | Alkali-free liquid accelerating agent and preparing method thereof |
| CN106336141B (en) * | 2016-08-23 | 2018-09-11 | 唐山市龙亿科技开发有限公司 | A kind of high stable type alkali-free chlorine-free liquid accelerating agent and preparation method thereof |
| CN107140867A (en) * | 2017-07-15 | 2017-09-08 | 王宇青 | Increasing material manufacturing building, structures or its component alkali-free quick-coagulant |
| CN107434365B (en) * | 2017-07-30 | 2020-09-22 | 中铁一局集团工业贸易有限公司 | Organic setting accelerator for hydraulic cement binder for spray construction |
| CN107500592A (en) * | 2017-09-27 | 2017-12-22 | 四川铁科新型建材有限公司 | A kind of alkali-free quick-coagulant composition solution and preparation method thereof |
| CN109574532A (en) * | 2019-01-30 | 2019-04-05 | 山西佳维新材料股份有限公司 | A kind of high-adaptability liquid alkali-free quick-coagulant and its normal temperature preparation method |
| CN111099852A (en) * | 2019-12-26 | 2020-05-05 | 同济大学 | Liquid alkali-free accelerator and preparation thereof |
| CN113354326A (en) * | 2021-06-30 | 2021-09-07 | 河南砼道中人新材料技术有限公司 | Green environment-friendly liquid accelerator and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50004567D1 (en) * | 2000-06-21 | 2004-01-08 | Sika Schweiz Ag Zuerich | Alkali-free setting and hardening accelerator |
| CN100345792C (en) * | 2003-08-20 | 2007-10-31 | 电气化学工业株式会社 | Spraying material and spray technique employing the same |
| CN101423356A (en) * | 2008-11-20 | 2009-05-06 | 同济大学 | Environment-friendly type alkali-free liquid accelerator for sprayed concrete and preparation method thereof |
| CN101475335A (en) * | 2009-01-13 | 2009-07-08 | 江苏博特新材料有限公司 | Liquid accelerator for sprayed concrete and preparation thereof |
-
2011
- 2011-01-04 CN CN 201110000465 patent/CN102173630B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200497A (en) * | 2017-06-28 | 2017-09-26 | 常州文诺纺织品有限公司 | A kind of chlorine-free alkali-free liquid accelerating agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102173630A (en) | 2011-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173630B (en) | High-performance chlorine-free alkali-free liquid accelerating agent | |
| CN108996943B (en) | Anti-permeability high-strength alkali-free liquid accelerator and preparation method thereof | |
| CN104193211B (en) | Sprayed concrete is with exempting from heating alkali-free liquid accelerator and its preparation method | |
| CN102219426B (en) | Low-alkaline liquid accelerating agent and preparation method thereof | |
| CN101475335A (en) | Liquid accelerator for sprayed concrete and preparation thereof | |
| CN114014582B (en) | Chlorine-free, fluorine-free and alkali-free liquid accelerator and preparation method and application thereof | |
| CN102219433B (en) | Low-resilience high-strength sprayed concrete liquid accelerating agent and preparation method thereof | |
| CN105417981A (en) | Alkali-free liquid accelerating agent and preparing method thereof | |
| CN102229477A (en) | Alkali-free and chlorine-free liquid concrete accelerating agent as well as preparation method and application thereof | |
| CN102992677A (en) | Alkali-free liquid accelerator and preparation method and application thereof | |
| CN105198273A (en) | Concrete compound type chloride-free early strength agent and preparation method thereof | |
| CN107601943A (en) | A kind of alkali-free liquid accelerator and preparation method thereof | |
| CN113135689A (en) | Elasticity-reducing low-sulfur alkali-free liquid accelerator and preparation method thereof | |
| CN104370489B (en) | A kind of alkali-free liquid accelerator and preparation method thereof | |
| CN107954628A (en) | A kind of alkali-free chlorine-free sulfate radical-free liquid accelerator | |
| CN110451838A (en) | A kind of novel energy-saving environment-friendly alkali-free quick-coagulant and preparation method thereof | |
| CN115403294B (en) | High-stability alkali-free chlorine-free fluorine-free liquid accelerator and preparation method thereof | |
| CN110078403A (en) | A kind of super hardening alkali-free liquid accelerator and preparation method thereof | |
| CN103693886B (en) | A kind of slag composite activated grinding aids and preparation method thereof | |
| CN109231947A (en) | A kind of steel slag gypsum mortar and the preparation method and application thereof | |
| CN113292260A (en) | High-strength mine filling solid-waste synergistic composite gelling agent and preparation method and use method thereof | |
| CN105271911B (en) | A kind of alkali-free liquid accelerator and preparation method thereof | |
| CN102336583A (en) | Foam concrete produced by electrolytic manganese residue at normal temperature and preparation method thereof | |
| CN105417982A (en) | Liquid alkali-free setting accelerator and preparation method thereof | |
| CN103482942B (en) | A kind of low alkalinity concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 650000 Yiliang Industrial Park, Kunming City, Yunnan Province Patentee after: YUNNAN KIEWITT NEW MATERIALS CO.,LTD. Address before: No. 1-110, Yangfang, Chenxi Street, 425-427 Bailong Road, Kunming City, Yunnan Province, 650224 Patentee before: KUNMING HEQI INDUSTRY & TRADE Co.,Ltd. |